509 West 121st Street
509 West 121st Street in Morningside Heights, Manhattan, has 5 open HPD violations, 5 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 24, 2026. StreetSpy grade: B (82/100).
Multi-family elevator · 110 units · Built 1911
StreetSpy grade: B (Good, 82/100)
- 5 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- The owner's bedbug filings report 1 infested unit over the last 3 years.
- 1 eviction carried out by marshals in the last 3 years.
- No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.
- Repairs: Low (5 open, 5 class C), records as of Oct 24, 2026
- Heat and hot water: 2 complaints, 12 mo, records as of Oct 23, 2026
- Pests: Medium (1 infested unit, 3 yr), records as of Oct 26, 2026
- Safety: Clear (2 open DOB violations), records as of Oct 23, 2026
- Registration: Through Sep 1, 2027, records as of Oct 3, 2026
Housing code violations (HPD)
5 open violations: 5 class C (immediately hazardous), 0 class B, 0 class A. 0 issued in the last 12 months. 6 on record. Oldest open violation issued 1999-10-26. Newest violation issued 2021-04-02. No new HPD violation has been issued here since 2021. Most of the open count is older violations that were never closed.
HPD recorded no violation closed here in the last 12 months.
- Class C: Lead paint hazard, 1st room from the east, 6th floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE ON WOOD TRIM, DOORS, OR WINDOWS - USING EXCLUSIVE INTERIM CONTROLS, WHICH INCLUDE A SURFACE DUST TEST IN ACCORDANCE WITH STATUTE. EAST DOOR FRAME, EAST WINDOW FRAME IN THE 1st ROOM FROM EAST LOCATED AT APT 605, 6th STORY, 2nd APARTMENT FROM SOUTH AT WEST (apt 605), issued 2003-05-01. HPD violation 4559231
- Class C: Lead paint hazard, 2nd room from the east, 6th floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE ON WOOD TRIM, DOORS, OR WINDOWS - USING EXCLUSIVE INTERIM CONTROLS, WHICH INCLUDE A SURFACE DUST TEST IN ACCORDANCE WITH STATUTE. EAST DOOR FRAME, EAST WINDOW FRAME IN THE 2nd ROOM FROM EAST LOCATED AT APT 605, 6th STORY, 2nd APARTMENT FROM SOUTH AT WEST (apt 605), issued 2003-05-01. HPD violation 4559279
- Class C: Lead paint hazard, kitchen, 6th floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE ON WOOD TRIM, DOORS, OR WINDOWS - USING EXCLUSIVE INTERIM CONTROLS, WHICH INCLUDE A SURFACE DUST TEST IN ACCORDANCE WITH STATUTE. EAST WINDOW FRAME IN THE KITCHEN LOCATED AT APT 605, 6th STORY, 2nd APARTMENT FROM SOUTH AT WEST (apt 605), issued 2003-05-01. HPD violation 4559289
- Class C: Lead paint hazard, private hall. REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CLOSET DOOR PRIVATE HALL 8 STY NORTH APT 08 SOONYUN 678-3601 42850 ER1., issued 1999-10-26. HPD violation 3046826
- Class C: Lead paint hazard. REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CEILING 8 STY NORTH APT 804 NORTHEAST ROOM 42850 ER1. LOCATED AT APT 804 (apt 804), issued 1999-10-26. HPD violation 3046827
311 housing complaints
2 in the last 12 months, 3 in 5 years. Most common: Heat/Hot Water (2).
Bedbugs
The owner reported 1 infested unit in the last 3 years. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.
- 2026: Owner reported 0 infested units
- 2025: No bedbug filing on record for this year
- 2024: Owner reported 1 infested, 1 treated, 0 re-infested
- 2023: Owner reported 0 infested units
- 2022: No bedbug filing on record for this year
- 2021: Owner reported 0 infested units
Buildings department (DOB)
2 open DOB violations, 1 of them Local Law violations issued before 2000. 11 DOB violations on record. Check on DOB BIS.
Evictions and housing court
1 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
No rent-stabilized units on the tax bill.
Owner and management
Owner: TEACHERS COLLEGE-COLUMBIA. Head officer: THOMAS R BAILEY. Managing agent: TEACHERS COLLEGE. This owner has 6 buildings on record, 0 graded D or F. See the full portfolio.
Last HPD registration Jul 23, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 1019760020, HPD building ID 39061. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 116 St-Columbia University (1), 6 min walk
- 125 St (1), 7 min walk
- 125 St (A, C, B, D), 8 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 5 open (5 class C) | −4 |
| 311 housing complaints (12 mo) | 2 | −3 |
| Bedbug reports (3 yr) | 1 infested unit | −8 |
| Executed evictions (3 yr) | 1 | −3 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | 2 open DOB violations, 1 of them Local Law violations issued before 2000 | 0 |
Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-27.